[LCP]Rounding questions

[Andrew Weaver]

I used also floor and ceil and rint and got:

round	= 2.678909
rint		= 390.000000
floor	= 390.000000
ceil		= 390.000000

Still cannot find a man entry on "round" though so not sur what it means.

On Thursday, September 05, 2002 12:46 PM, Chuck Martin
[SMTP:nrocinu at myrealbox.com] wrote:
> On Thu, Sep 05, 2002 at 10:12:55AM +0100, Vincent Penquerc'h wrote:
> > You've linked libm.a in, did you (-lm) ?
> 
> Thanks.  How did I miss the obvious?  The results are still strange:
> 
> 	chuck at zeta:~$ cat roundtest.c
> 	#include <stdio.h>
> 	#include <math.h>
> 
> 	int main()
> 	{
>     		printf("%f\n", round((double) 390.0));
> 	}
> 	chuck at zeta:~$ gcc -lm -o roundtest roundtest.c
> 	chuck at zeta:~$ ./roundtest
> 	2.896811
> 	chuck at zeta:~$
> 
> Why is it rounding 390.0 and getting 2.896811?
> 
> Chuck
> 
> 
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